Fittings

Make the connection. Build a dependable onboard plumbing system.

Shop marine hose fittings, boat plumbing fittings, hose barbs, elbows, tees, adapters, couplings, reducers, threaded fittings, quick-connect fittings and plumbing connectors for sailboats, powerboats, fishing boats, pontoons, cruisers, yachts and other marine applications.

Connect the system. Keep it flowing. Adventure Starts Here.

264 products

  • THMarine PushIn Drain Plug for 112 ThruHull Drains PP150DP
    THMarine PushIn Drain Plug for 112 ThruHull Drains PP150DP
    T-H Marine Supplies

    TH-Marine Push-In Drain Plug for 1-1/2" Thru-Hull Drains [PP-150-DP]

    $16.99 USD
    $16.99 USD $0.00 USD

    Push-In Drain Plug f/1-1/2" Thru-Hull DrainsThese push-in drain plugs are used to stop water flow through drains or overflows from baitwell or livewell. Also work well...
  • Perko Spare Gas Cap wORing Cable 1270DPG99A
    Perko Spare Gas Cap wORing Cable 1270DPG99A
    Save $1.49 USD
    Perko

    Perko Spare Gas Cap w/O-Ring & Cable [1270DPG99A]

    $28.99 USD
    $28.99 USD $30.48 USD

    Spare Gas Cap w/O-Ring & CableBlack polymer gas cap has a slot between the holes.

  • Perko Gas Tank Vent wSwivel Elbow ChromeBlack 0561DP4CHR
    Perko Gas Tank Vent wSwivel Elbow ChromeBlack 0561DP4CHR
    Save $0.65 USD
    Perko

    Perko Gas Tank Vent w/Swivel Elbow - Chrome/Black [0561DP4CHR]

    $26.99 USD
    $26.99 USD $27.64 USD

    Gas Tank Vent w/Swivel Elbow - Chrome/BlackFeatures: Chrome Plated Zinc Alloy Cap with Zinc Alloy Elbow Black or White Polymer Splash Guards Removable 30 Mesh Stainless...
  • Forespar Marelon FullFlow Seacock 34 Mushroom ThroughHull 904043ABYC
    Forespar Marelon FullFlow Seacock 34 Mushroom ThroughHull 904043ABYC
    Save $9.96 USD
    Forespar Performance Products

    Forespar Marelon Full-Flow Seacock 3/4" Mushroom Through-Hull [904043ABYC]

    $109.99 USD
    $109.99 USD $119.95 USD

    Marelon Full-Flow Seacock & 3/4" Mushroom Through-HullThis integrated 2-part system comes complete with a Marelon® valve and properly matched mushroom head thru-hull with super strong “buttress”...
  • GROCO 114 NPT x 114 ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow Elbow PTHC1250
    GROCO 114 NPT x 114 ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow Elbow PTHC1250
    Save $1.01 USD
    GROCO

    GROCO 1-1/4" NPT x 1-1/4" ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow Elbow [PTHC-1250]

    $38.99 USD
    $38.99 USD $40.00 USD

    1-1/4" NPT x 1-1/4" ID Bronze 90 Degree Pipe to Hose Fitting Standard Flow ElbowFeatures: 90 degree Male NPT x Hose connection C83600 Bronze Sizes from 1/2"...
  • Perko Fuel System Locking Cap f 112 NonVented Fills 0520 0527 0528 0557 0599 1270 1324DP1BLK
    Perko Fuel System Locking Cap f 112 NonVented Fills 0520 0527 0528 0557 0599 1270 1324DP1BLK
    Save $7.47 USD
    Perko

    Perko Fuel System Locking Cap f/ 1-1/2" Non-Vented Fills - 0520 / 0527 / 0528 / 0557 / 0599 / 1270 [1324DP1BLK]

    $49.99 USD
    $49.99 USD $57.46 USD

    Fuel System Locking Cap f/ 1-1/2" Non-Vented Fills(1324) Black Plastic with Gasket Built in Lock Cylinder Size #1 Fits PERKO Fills 0520, 0527, 0528, 0557, 0599...
  • Perko 0540 Gas FillVent f112 Hose Angled Neck 0540DPGCHR
    Perko 0540 Gas FillVent f112 Hose Angled Neck 0540DPGCHR
    Save $10.59 USD
    Perko

    Perko 0540 Gas Fill/Vent f/1-1/2" Hose - Angled Neck [0540DPGCHR]

    $73.99 USD
    $73.99 USD $84.58 USD

    0540 Gas Fill/Vent for 1-1/2" Hose - Angled NeckFeatures: Angled Neck Chrome Plated Bronze Cap Black Polymer Body Stainless Steel Bead Chain Integral Tank Vent with...
  • GROCO 114 Hose Barb Stainless Straight Deck Drain SCUS1250GROCO 114 Hose Barb Stainless Straight Deck Drain SCUS1250
    GROCO 114 Hose Barb Stainless Straight Deck Drain SCUS1250GROCO 114 Hose Barb Stainless Straight Deck Drain SCUS1250
    Save $24.01 USD
    GROCO

    GROCO 1-1/4" Hose Barb Stainless Straight Deck Drain [SCUS-1250]

    $124.99 USD
    $124.99 USD $149.00 USD

    1-1/4" Hose Barb Stainless Straight Deck Drain Features: Scuppers are installed flush with the deck and have a removable drain. #316 Stainless Steel Thru Deck Drain with...
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